The Ruy Lopez is a popular chess opening named after the 16th-century Spanish priest and chess player Ruy López de Segura. It begins with the moves 1.e4 e5 2.Nf3 Nc6 3.Bb5, where White aims to control the center and develop pieces efficiently. This opening is known for its strategic depth and has been played by many world champions. The Ruy Lopez can lead to various variations, including the Morphy Defense and the Berlin Defense. It is favored for its potential to create complex positions, allowing players to demonstrate their tactical and strategic skills. The opening remains a staple in both amateur and professional chess.